15745210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3958

約数の個数: 32

約数和(自身を含む): 31514112

約数和(自身を除く): 15768902

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 3907, 4030, 7814, 19535, 39070, 50791, 101582, 121117, 242234, 253955, 507910, 605585, 1211170, 1574521, 3149042, 7872605, 15745210]

約数ペア:

[(1, 15745210), (2, 7872605), (5, 3149042), (10, 1574521), (13, 1211170), (26, 605585), (31, 507910), (62, 253955), (65, 242234), (130, 121117), (155, 101582), (310, 50791), (403, 39070), (806, 19535), (2015, 7814), (3907, 4030)]